Low poly candle holder
Add a Circle with 6 vertices and extrude it (E). Subdivide it adding edge loops (Ctrl+E). Snap the cursor to the top edge loop (Shift+S-->Cursor to Selected). Enable the proportional editing, increase the editing ring with Mouse Scroll and rotate (R) the top edge loop as pictured below.


Add the Solidify Modifier and play with its Thickness value.